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Susie owns a yarn shop and want to expands her color selection. Before she expands her colors, she wants to find out if her customers

Susie owns a yarn shop and want to expands her color selection.

Before she expands her colors, she wants to find out if her customers prefer one brand

over another brand. Specifically, she is interested in three different types of bison yarn.

As an experiment, she randomly selected 15 different days and recorded the sales of each brand.

At the .05 significance level, can she conclude that there is a difference in preference between the brands?

Misa's Bison Yak-et-ty-Yaks Buffalo Yarns

98 79 65

85 86 83

91 72 78

87 82 66

98 91 193

What is the null hypothesis?

What is the alternative hypothesis?

What is the level of significance?

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